http://www.legislation.gov.uk/uksi/1993/163/article/3/madeThe A30 and A39 Trunk Roads (Indian Queens, Fraddon and St Columb Road Bypasses and Slip Roads) Order 1993Roads and highwaysRoad buildingKing's Printer of Acts of Parliament2012-08-17HIGHWAYS, ENGLAND AND WALES3The centre line of each of the new trunk roads is indicated by a heavy black line on the deposited plan.